Update dependencies

Author: benurb

package.json

@@ -33,7 +33,7 @@
     "babel-cli": "^6.5.1",
     "babel-preset-es2015": "^6.3.13",
     "babel-register": "^6.4.3",
-    "chai": "^3.5.0",
+    "chai": "^4.1.0",
     "chai-fs": "^1.0.0",
     "css-loader": "^0.28.2",
     "eslint": "^3.19.0",
@@ -42,7 +42,7 @@
     "eslint-plugin-import": "^2.2.0",
     "eslint-plugin-jsdoc": "^3.1.0",
     "file-loader": "^0.11.1",
-    "html-loader": "^0.4.3",
+    "html-loader": "^0.5.0",
     "istanbul": "^0.4.2",
     "mocha": "^3.4.1",
     "rimraf": "^2.5.1",